From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-ot1-f79.google.com (mail-ot1-f79.google.com [209.85.210.79]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id EA2DB1519B4 for ; Wed, 13 May 2026 16:05:27 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.210.79 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1778688330; cv=none; b=CumSimX37OUjWXLZVbSAQTPrN5uW1e3KADgRg2ZOqdE3eC79cr+ez62D7ihDUSk7E0btaRPQ73HSCowsOcon+ajhQmhUDanQ4lcPLyI2posEdBgEokuw07VwVFncvVkqyZOZ9tC2F5lms9hRBpATAsyJ4N5wrDFet92ONBXlx70= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1778688330; c=relaxed/simple; bh=Uxd395M5No0tmeds3CebbzdYyl+spfrNZo6wL1EyNxE=; h=MIME-Version:Date:Message-ID:Subject:From:To:Content-Type; b=MtXLyz41hCq/ZqwSZkMA7dMg1t9fE9xNarolACOb6vcjB2ahwD3qKzE5dOyz1HbzmTxt+4cWKZy8hbwFO3qR1kURw9D674Aq1nCuwW9n9LSjnZe0Bgbk9U4C9eW/xAJAdZ2HfqbeNa4BeJPuf38OOMYPTg8ufc/zAJmXKok+bGY= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=fail (p=none dis=none) header.from=syzkaller.appspotmail.com; spf=pass smtp.mailfrom=M3KW2WVRGUFZ5GODRSRYTGD7.apphosting.bounces.google.com; arc=none smtp.client-ip=209.85.210.79 Authentication-Results: smtp.subspace.kernel.org; dmarc=fail (p=none dis=none) header.from=syzkaller.appspotmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=M3KW2WVRGUFZ5GODRSRYTGD7.apphosting.bounces.google.com Received: by mail-ot1-f79.google.com with SMTP id 46e09a7af769-7dcd7302f00so6702732a34.0 for ; Wed, 13 May 2026 09:05:27 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1778688326; x=1779293126; h=to:from:subject:message-id:date:mime-version:x-gm-message-state :from:to:cc:subject:date:message-id:reply-to; bh=yPmji9BqOQnsHVACLKL7Cn6kb40BuI/VFnSiEA244Zo=; b=RnMZt0ZQ+kQj9kA0e8vjdBwa4Xu0ESW3X2E8mU0fYbk8BIFfe5tg+7E/tzNhW3j21Z 7NE0NWju55WUWQcvg1VO4JtVmxmC7XX5iDET7g/AAXknqahW5aFfsgLAxP1o7yMjYLfd pV/1fn9JWsNSiFGB3px78LgymttXazBFZQCqxVMrgqwz/cNXF9wKZeQAfFhWaCOICIzq xqpKeRAvTFPdCPKW8vHohPfOlyzCDZZBgoS1w4z/lPgnHJHdGUkrTO5IX5S7fFwOH2qZ iu1JbPBBME5CmV77m9hFaDfOxDPIpKuuRtFxNq0SuPWEH+RsiYwRGWgDYRFBkh9SNI9S xkDw== X-Forwarded-Encrypted: i=1; AFNElJ8vLnkBA61lhIbbv0qIEhXYOO7NoSKl/dSDpDVxw1Lj81r1H7QgacExhIvt5u079+0asgci0d3P+Q==@vger.kernel.org X-Gm-Message-State: AOJu0YzKUeTn3QngO8vnGfyLvrOlV4OaJSiqdgpzhTiz//PUkkvkNbYx Q2EFJdRqg/5Zmv8NI/+PRLKOKpeIV184HBEI+xnW2tBsV+yg0Ij0QI/M+E4/fagWS/7002dX9Et cOAl3p8V+ncMrRtSYUC48lLXPndW5JT4CALseN/DEmwjk2/bHqUh08nRm8zw= Precedence: bulk X-Mailing-List: linux-pm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6830:6488:b0:7d7:fcac:6374 with SMTP id 46e09a7af769-7e3da0fcacemr2190878a34.8.1778688326574; Wed, 13 May 2026 09:05:26 -0700 (PDT) Date: Wed, 13 May 2026 09:05:26 -0700 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <6a04a146.050a0220.54aed.0003.GAE@google.com> Subject: [syzbot] [pm?] WARNING in complete_all (3) From: syzbot To: dakr@kernel.org, driver-core@lists.linux.dev, gregkh@linuxfoundation.org, lenb@kernel.org, linux-kernel@vger.kernel.org, linux-pm@vger.kernel.org, pavel@kernel.org, rafael@kernel.org, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" Hello, syzbot found the following issue on: HEAD commit: f2abc305aa93 riscv: Define __riscv_copy_{,vec_}{words,byte.. git tree: git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux.git for-next console output: https://syzkaller.appspot.com/x/log.txt?x=11732a1f980000 kernel config: https://syzkaller.appspot.com/x/.config?x=1cf93e35eaea44b1 dashboard link: https://syzkaller.appspot.com/bug?extid=7227d49ef464b1dff36d compiler: riscv64-linux-gnu-gcc (Debian 14.2.0-19) 14.2.0, GNU ld (GNU Binutils for Debian) 2.44 userspace arch: riscv64 Unfortunately, I don't have any reproducer for this issue yet. Downloadable assets: disk image (non-bootable): https://storage.googleapis.com/syzbot-assets/a741b348759c/non_bootable_disk-f2abc305.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/94904c75b810/vmlinux-f2abc305.xz kernel image: https://storage.googleapis.com/syzbot-assets/2195b3067ea1/Image-f2abc305.xz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+7227d49ef464b1dff36d@syzkaller.appspotmail.com WARNING: [] kernel/sched/completion.c:76 at complete_all+0x1d2/0x24c kernel/sched/completion.c:76, CPU#1: syz-executor/4284 Modules linked in: CPU: 1 UID: 0 PID: 4284 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT Tainted: [W]=WARN Hardware name: riscv-virtio,qemu (DT) epc : complete_all+0x1d2/0x24c kernel/sched/completion.c:76 ra : complete_all+0x1d2/0x24c kernel/sched/completion.c:76 epc : ffffffff802d3be2 ra : ffffffff802d3be2 sp : ffff8f800b147010 gp : ffffffff8a24a9a0 tp : ffffaf8019989ac0 t0 : 0000000000000000 t1 : fffff5ef03994000 t2 : ffffffff91623ec8 s0 : ffff8f800b147050 s1 : ffffaf80339588e0 a0 : ffffaf8019989ac8 a1 : ffffffff86deaee0 a2 : 0000000000000002 a3 : ffffffff8014e99c a4 : 0000000000000000 a5 : 0000000000000000 a6 : fffff5ef03994001 a7 : ffffaf801cca0003 s2 : ffffaf8072c654a8 s3 : ffffaf801998aac0 s4 : ffffffff91623ec0 s5 : 1ffff5f00672b110 s6 : 0000000000000001 s7 : ffff8f800b1471c0 s8 : ffff8f800b147200 s9 : 1ffff1f001628e34 s10: ffffaf801978a380 s11: ffffaf80339580e0 t3 : ffffffff88060bc0 t4 : fffff5ef03994000 t5 : fffff5ef03994001 t6 : 0000000000000002 ssp : 0000000000000000 status: 0000000200000120 badaddr: ffffffff802d3be2 cause: 0000000000000003 [] complete_all+0x1d2/0x24c kernel/sched/completion.c:76 [] device_pm_sleep_init+0x8c/0x124 drivers/base/power/main.c:118 [] device_pm_init drivers/base/power/power.h:168 [inline] [] device_initialize+0x200/0x4e4 drivers/base/core.c:3167 [] netdev_register_kobject+0x28/0x32c net/core/net-sysfs.c:2324 [] register_netdevice+0x1374/0x2490 net/core/dev.c:11420 [] wg_newlink+0x3aa/0x75c drivers/net/wireguard/device.c:372 [] rtnl_newlink_create net/core/rtnetlink.c:3863 [inline] [] __rtnl_newlink net/core/rtnetlink.c:3994 [inline] [] rtnl_newlink+0xd74/0x2054 net/core/rtnetlink.c:4109 [] rtnetlink_rcv_msg+0x8e2/0xd84 net/core/rtnetlink.c:6995 [] netlink_rcv_skb+0x1e8/0x394 net/netlink/af_netlink.c:2550 [] rtnetlink_rcv+0x26/0x30 net/core/rtnetlink.c:7022 [] netlink_unicast_kernel net/netlink/af_netlink.c:1318 [inline] [] netlink_unicast+0x4f6/0x7c0 net/netlink/af_netlink.c:1344 [] netlink_sendmsg+0x7e0/0xd64 net/netlink/af_netlink.c:1894 [] sock_sendmsg_nosec net/socket.c:787 [inline] [] __sock_sendmsg+0xca/0x160 net/socket.c:802 [] __sys_sendto+0x278/0x350 net/socket.c:2265 [] __do_sys_sendto net/socket.c:2272 [inline] [] __se_sys_sendto net/socket.c:2268 [inline] [] __riscv_sys_sendto+0xc0/0x158 net/socket.c:2268 [] syscall_handler+0x92/0x114 arch/riscv/include/asm/syscall.h:112 [] do_trap_ecall_u+0x3dc/0x61c arch/riscv/kernel/traps.c:342 [] handle_exception+0x15e/0x16a arch/riscv/kernel/entry.S:232 --- This report is generated by a bot. It may contain errors. See https://goo.gl/tpsmEJ for more information about syzbot. syzbot engineers can be reached at syzkaller@googlegroups.com. syzbot will keep track of this issue. See: https://goo.gl/tpsmEJ#status for how to communicate with syzbot. If the report is already addressed, let syzbot know by replying with: #syz fix: exact-commit-title If you want to overwrite report's subsystems, reply with: #syz set subsystems: new-subsystem (See the list of subsystem names on the web dashboard) If the report is a duplicate of another one, reply with: #syz dup: exact-subject-of-another-report If you want to undo deduplication, reply with: #syz undup